jwplotlc

       plot a lightcurve

       lightcurve

       jwplotlc,time,count,error,/over,color=color,timerange=[tmin,tmax],
             time0=time0,/mjd,countrange=[cmin,cmax],psym=psym

       time  : an array containing the time column
       count : an array containing the counts column

       error     : an array containing the uncertainty of the
                   count-rate; if set, errorbars are drawn
       dt        : the time-interval goes from time-dt to time+dt
       color     : specify the color of the plot
       time0     : if the light-curve is offset from the zero-point
                   of the MJD (=JD2400000.5), specify time0 to get
                   the correct date labeling.
       timerange : 2D array (in units of time) to specify the
                   timerange of the light-curve to be plotted.
       countrange: 2D-array, specifies range for y-axis if set.
       psym      : plot-symbol for plotting the data-points
       position  : a la plot-command

        mjd      : set mjd to specify that the time-array is in MJD
                   (plus an offset given by time0 if set). In this
                   case the x-axis gets labeled with "real" dates.
        noxaxis  : don't plot an x-axis

       none

       none

       none

       none

       jwplotlc detects spaces in the lightcurve and makes
       sure that no ugly lines are plotted across

       jwplotlc,time,count,error,timerange=[100,1500],color=200

       Version 1.0, JW, 1997/08/15: based on an earlier version of plotlc
             written by I. Kreykenbohm and J. Wilms.
       Joern Wilms, wilms@astro.uni-tuebingen.de

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